The meaning is which department to visit for lumbar disc herniation. If going to a hospital for lumbar disc herniation and if there is a spinal surgery department, the first choice should be the spinal surgery department. If there is no spinal surgery department, then you can visit the general orthopedics department. If it's an acute episode of severe pain due to lumbar disc herniation, and you want to address the pain issue, you can visit the pain management department. The pain management department has unique methods for treating sciatica caused by lumbar disc herniation, and the treatment results are very good. If it's a chronic lumbar disc herniation, and you need some rehabilitative treatment or physiotherapy, you can also visit the rehabilitation department or the physiotherapy department. In summary, for lumbar disc herniation, you should first visit the spinal surgery department, then the general orthopedics, visit the pain management department if addressing pain, and go to rehabilitation if seeking recovery.